Stop (St); Reset (Xz); Ack (Ak); Reader/Writer Control Command - Omron V720S Series Operation Manual

Reader/Writer Control Command

5-5 Reader/Writer Control Command
These are commands for reading and writing Tags from and to the user memory.

5-5-1 Stop (ST)

This command causes the Reader/Writer to abort the execution of Auto Mode, Repeat Mode, FIFO
Access, Selective Access, EAS Check and other commands and return to wait mode for a com-
mand.
<Command Format>
STX Node No.
1 2
<Response Format>
STX Node No.
1 2
Response code

5-5-2 Reset (XZ)

This command software-resets the Reader/Writer.
<Command Format>
STX Node No.
1 2

5-5-3 ACK (AK)

This command is used during ACK/NACK control to inform the Reader/Writer that the host device
normally received a response from the Reader/Writer. There is no response if this command is used
in ACK/NACK control, but if the Reader/Writer is not waiting to receive ACK/NACK signals, an error
will occur when the command is received. Refer to 5-9 ACK/NACK Control for details.
<Command Format>
STX Node No.
1 2
5-32
Command ETX BCC
code
"ST"
2 1 1
Retry Command Response
flag code code
"ST" "00"
1 2 2
00: Normal completion
For other response codes, refer to 5-10 Response Code List.
Command ETX BCC
code
"XZ"
2 1 1
Command ETX BCC
code
"AK"
2 1 1
ETX BCC
1 1
Section 5-5